<!DOCTYPE html>

<html lang="en">
    <head>
        <meta charset="UTF-8">
        <title>Title</title>
        <style type="text/css">
            .outer { border: 1px solid grey ; margin: 100px ; }
            .box {
                margin: 50px ;
                border: 10px solid red ;
                padding: 25px ;
                width: 500px ;
                height: 150px ;
            }
        </style>
    </head>
    <body>

        <div class="outer">
            <div class="box">
            </div>
        </div>
        
    </body>
</html>